Flyvbjerg is the author or editor of 10 books and more than 200 papers in professional journals and edited volumes. His publications have been translated into 19 languages. His research has been covered by Science, The Economist, The New York Times, The Wall Street Journal, The Financial Times, The BBC, CNN, Charlie Rose, and many other media.[2]

His research has shown that competition between megaprojects and their sponsors creates political and organizational pressures that leads to the consistent overestimating of project benefits and the underestimating of project costs. The best megaprojects do not get implemented, but rather the ones that look best on paper.